18171272

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 21080248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2477, 3668, 4954, 7336, 9908, 17339, 19816, 34678, 69356, 138712, 324487, 648974, 1297948, 2271409, 2595896, 4542818, 9085636, 18171272]

約数ペア:

[(1, 18171272), (2, 9085636), (4, 4542818), (7, 2595896), (8, 2271409), (14, 1297948), (28, 648974), (56, 324487), (131, 138712), (262, 69356), (524, 34678), (917, 19816), (1048, 17339), (1834, 9908), (2477, 7336), (3668, 4954)]